Hydro-upgrading performance of FCC diesel oil on Pt/USY catalysts

doi:10.16085/j.issn.1000-6613.2015.05.020

Chemical Industry and Engineering Progree ›› 2015, Vol. 34 ›› Issue (05): 1300-1306.DOI: 10.16085/j.issn.1000-6613.2015.05.020

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Hydro-upgrading performance of FCC diesel oil on Pt/USY catalysts

CHI Kebin¹, ZHAO Zhen¹, TIAN Zhijian², YAN Lijun³, MA Huaijun², LUO Chen³, LIU Jian¹

1. College of Science, China University of Petroleum, Beijing 102249, China;
2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
3. Petrochemical Research Institute, PetroChina Company Limited, Beijing 100195, China

Received:2014-10-27 Revised:2014-12-01 Online:2015-05-05 Published:2015-05-05

Pt/USY催化剂上FCC柴油加氢改质反应性能

迟克彬¹, 赵震¹, 田志坚², 阎立军³, 马怀军², 罗琛³, 刘坚¹

1. 中国石油大学(北京)理学院, 北京 102249;
2. 中国科学院大连化学物理研究所, 辽宁大连 116023;
3. 中国石油石油化工研究院, 北京 100195

通讯作者: 迟克彬(1973—),男,博士,高级工程师,主要从事加氢催化剂与加氢工艺研究.E-mailckb459@petrochina.com.cn.
作者简介:迟克彬(1973—),男,博士,高级工程师,主要从事加氢催化剂与加氢工艺研究.E-mailckb459@petrochina.com.cn.
基金资助:
中国石油天然气集团公司项目(2009A-3801-03,2014B-2312).

Abstract

Abstract: Pt/USY,Pt/1.0K-USY and Pt/2.0K-USY hydro-upgrading catalysts were prepared. The typical structure and acidity of molecular sieves and catalysts were characterized by XRD,N₂ absorption-desorption,NH₃-TPD and Py-FT-IR. Then the hydro-upgrading performance of these catalysts was studied in a continuous down-flow fixed bed with stainless steel tubular reactor and refined FCC diesel oil was chosen as feedstock. The reaction results indicated that the activity of the catalysts mainly depended on their acid quantity,acid intensity,and acid distribution with the same Pt content and the similar pore structure. Suitable acidity was more favorable for the aromatic saturation and selective ring opening reaction. The diesel product meets national V Diesel standards.

Key words: molecular sieves, catalyst, FCC diesel, hydrogenation, selective ring opening

摘要： 制备了加氢改质催化剂Pt/USY、Pt/1.0K-USY和Pt/2.0K-USY,并借助XRD、N₂等温吸附-脱附、NH₃-TPD和Py-FT-IR表征了这3种催化剂的结构和酸性,同时以预精制FCC柴油为原料,采用固定床反应器研究了上述催化剂的加氢改质反应性能.结果表明,在金属Pt负载量相同和催化剂孔道结构相似的情况下,催化剂的反应活性和选择性主要取决于催化剂的酸量和酸强度以及酸分布,相对而言,具有适宜酸性的Pt/1.0K-USY催化剂更有利于芳烃饱和与选择性开环反应,其加氢改质柴油满足国V标准要求.

关键词: 分子筛, 催化剂, FCC柴油, 加氢, 选择性开环

CLC Number:

TQ032.4

CHI Kebin, ZHAO Zhen, TIAN Zhijian, YAN Lijun, MA Huaijun, LUO Chen, LIU Jian. Hydro-upgrading performance of FCC diesel oil on Pt/USY catalysts[J]. Chemical Industry and Engineering Progree, 2015, 34(05): 1300-1306.

迟克彬, 赵震, 田志坚, 阎立军, 马怀军, 罗琛, 刘坚. Pt/USY催化剂上FCC柴油加氢改质反应性能[J]. 化工进展, 2015, 34(05): 1300-1306.

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Hydro-upgrading performance of FCC diesel oil on Pt/USY catalysts

Pt/USY催化剂上FCC柴油加氢改质反应性能

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